VINCENT BACH CORP. 6C Trumpet Mouthpiece Gold This is a trumpet mouthpiece from BACH, a standard trumpet manufacturer. The size is 6C, a size that can be used in any genre, including brass bands, pops, and ensembles. It's a CORP. (old engraving) model, still very popular in the used market, and it's gold-plated. There is no peeling of the gold plating, and although there is slight wear on the shank, there are no scratches or dents that would affect playing. CORP. mouthpieces are popular, and gold plating has also increased in price recently, so how about taking this opportunity? For trumpet ・Cup: C cup (normal) ・Rim thickness: MW (medium) ・Rim diameter: 16.20mm ・Backbore: No. 10